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Occurring Fact7119halmek holdings Co.,Ltd.Retail

Notice Regarding Unauthorized Access to the Company's HALMEK up Website

Unauthorized access to the HALMEK up management interface operated by our group occurred due to the theft of the ID and PASSWORD of 1 employee, according to the explanation provided. The management interface password has been changed, but the scope of the impact remains under investigation.

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Unauthorized access to our HALMEK up Site

Subject Entity

The group

Target Locations / Products

The management interface for the HALMEK up website

Occurrence9 September 2026 (the date on which the unauthorized access was confirmed)
Same day
Awareness or receipt of notice9 September 2026 (the date on which the unauthorized access was confirmed)
This disclosure09/11/2026
Cause

The theft of the ID and PASSWORD of 1 employee

Company response

Investigation structure

An investigation is being conducted with advice and cooperation from external experts. We are responding in coordination with the relevant organizations, including the system provider, based on their reports and advice.

Measures to prevent recurrence

We will strengthen security measures, including controls over employee IDs and PASSWORDs, and work to prevent a recurrence.

Impact on Earnings Forecast

If we determine that the incident will have a material impact on business performance, we will promptly make an announcement.

Outlook

We will continue investigating the scope of the impact and other matters and respond based on reports and advice from the relevant organizations. If any new facts come to light, we will promptly disclose them.

Planned follow-up disclosure

If any new facts come to light, we will promptly make an announcement.

Event that occurred
ItemDetails
Event nameUnauthorized access to our HALMEK up Site
Date of occurrence9 September 2026 (the date on which the unauthorized access was confirmed)
Date recognized / date notice received9 September 2026 (the date on which the unauthorized access was confirmed)
Subject EntityThe group
Target Locations / ProductsThe management interface for the HALMEK up website
CauseThe theft of the ID and PASSWORD of 1 employee
Impact on Earnings ForecastIf we determine that the incident will have a material impact on business performance, we will promptly make an announcement.
Investigation structureAn investigation is being conducted with advice and cooperation from external experts. We are responding in coordination with the relevant organizations, including the system provider, based on their reports and advice.
Measures to prevent recurrenceWe will strengthen security measures, including controls over employee IDs and PASSWORDs, and work to prevent a recurrence.
OutlookWe will continue investigating the scope of the impact and other matters and respond based on reports and advice from the relevant organizations. If any new facts come to light, we will promptly disclose them.
Planned follow-up disclosureIf any new facts come to light, we will promptly make an announcement.
Items this document does not state (14)
Amount of Impact on Business PerformanceAccounting period in which recognizedType of litigation or proceedingCourt or authorityPlaintiffDefendantDate of filing / date of actionClaim amount / surcharge amountAmount of receivables at risk of non-collection or delayed collectionSuspended operationsScheduled resumption dateDirectors' and officers' liabilityVoting rights ownership percentage before the changeVoting rights ownership percentage after the change

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

The theft of the ID and PASSWORD of 1 employee.

How to read this page

This is not the documentKomori reads the disclosure the company filed and writes this summary. Figures are as stated by the company and are not audited.
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Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Notice Regarding Unauthorized Access to the Company's HALMEK up Website | halmek holdings Co.,Ltd. (7119) timely disclosure | Komori